US2848564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature stabilized transistor amplifier
Assignee: General Electric Co
•
Filing: 1954-07-27
•
Granted: 1958-08-19
•
Expires: 1974-07-27
Abstract
No abstract record available.
Inventors
- 👤 Keonjian Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:58
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/302; B; B62; B62K; B62K21/00; B62K21/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468082A
Cited
US2585078A
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US2533001A
Cited
US2647958A
Cited
SE140501C1
Cited
US2693572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |